Sr. Principal Design Engineer

ConRes Continental Resources; Exeter (NH); On-site; USD 120,000 - 190,000; Full time

Job summary

ConRes Continental Resources in Exeter, NH is seeking a Sr. Principal Design Engineer to lead power supply design from concept through production.

The role involves managing multiple designs, driving documentation, and coordinating with manufacturing and customers. Qualified candidates will have a 4-year electronics degree and about 6 years of hands-on experience in power conversion circuits, including analog and digital control design.

Qualifications

• Education: 4 year college degree in electronics
• Experience: 6 years electronics or equivalent experience in design of Power Conversion Circuits
• Knowledge of digital control design beneficial
• Advanced analog design techniques including magnetic design and theory
• Power supply layout and packaging including verification of cad generated documentation
• Power applications, and interpretation of system power specification
• Component engineering including stress factor analysis
• Manufacturing techniques related to power supply manufacture
• Perform work using oscilloscopes, voltage meters, electronic loads, bench top power supplies, variacs, test fixtures, environmental ovens and other electronic associated equipment
• Knowledge of digital design related to power control design
• Must be capable of making logical sequential steps in performance of work and require minimum of supervision and direction

Responsibilities

• Responsible for the design generation of power supplies from inception to final product
• Responsible for working on 4 or more designs on average
• Design from documentation supplied by customers and/or internal specifications
• Direct Technicians and Assemblers as to Engineering
• Provide technical support and assistance for engineering staff
• Provide technical support to less senior technical staff
• Interface with Sales/Marketing and customers as required
• Generate preliminary documentation for fabrication of prototype models including testing and repairing analog and digital/analog circuits
• Testing with prototypes under environmental conditions to establish reliability
• Prototyping include designing fixtures, tooling for manufacture
• Maintain records, files and reports
• Optimize use of resources including materials and equipment
• Follow ISO policy and procedures throughout all work
• Consult supervisor on unusual conditions or safety issues
• Perform other related duties as required

Skills

Digital control design

Analog design

Power supply design

Manufacturing knowledge

Education

Bachelor's degree in electronics

4 year college degree in electronics

Tools

Oscilloscopes

Voltage meters

Electronic loads

Bench top power supplies

Variacs

Test fixtures

Environmental ovens

Job description

Shift Type

Job Title

Sr. Principal Design Engineer

Education

Bachelor's Degree or Equivalent

Location

Exeter - Exeter, NH 03833 US (Primary)

Experienced (Non-Manager)

Category

Wall

Salary Grade

Date Needed By

5/30/2026

Job Type

Full-time

Travel

0 - 10%

Job Description

Responsibilities:

• Responsible for the design generation of power supplies from inception to final product
• Responsible for working on 4 or more designs on average
• Design from documentation supplied by customers and/or internal specifications
• Responsible for directing Technicians and Assemblers as to Engineering
• Provide technical support and assistance for engineering staff
• Provide technical support to less senior technical staff
• Interface with Sales/Marketing and customers as required
• Responsible for generating preliminary documentation for fabrication of prototype models which may include fabricating, testing, troubleshooting and repairing analog and digital/analog circuits
• Testing will include subjecting product model with either actual or prototype breadboard to environmental conditions to establish operational stability, reliability and conformity to design
• Prototyping will also include recommending and designing fixtures, tooling and equipment for the manufacture of product within manufacturing
• Maintain necessary records, files and reports
• Make effective and efficient use of all resources including but not limited to inventory materials, supplies, tools and tolling, equipment, technicians etc.
• Practice good housekeeping in own area
• Properly maintain equipment to include reporting uncalibrated equipment
• Ability to generate instructional information for the manufacturing of product being transferred from engineering to manufacturing
• Interface with other departments, vendors and manufacturing
• Follow established company rules and regulations
• Follow ISO policy and procedures throughout all work performed
• Consult supervisor when unusual conditions exist and or safety issues arise
• Perform other related duties as required

#ConRes

# of Hires Needed

1

Exemption Type

Exempt

Hiring Manager

Job Requirements

Qualifications:

• Education: 4 year college degree in electronics
• Experience: 6 years electronics or equivalent experience in design of Power Conversion Circuits
• Knowledge of digital control design beneficial
• Must be completely familiar with the following:
  • Advanced analog design techniques including magnetic design and theory
  • Power supply layout and packaging including verification of cad generated documentation
  • Power applications, and interpretation of system power specification
  • Component engineering including stress factor analysis
  • Manufacturing techniques related to power supply manufacture
• Skills: Perform work using oscilloscopes, voltage meters, electronic loads, bench top power supplies, variacs, test fixtures, environmental ovens and other electronic associated equipment
• Knowledge of digital design related to power control design
• Must be capable of making logical sequential steps in performance of work and require minimum of supervision and direction

At ConRes, our responsibilities to our employees are paramount. I'm particularly proud of our continuing commitment to employee training and professional development.